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Bard MC4000 SERIES Installation Manual

1. SE CONTACIS C OPEN DN ALARM 27 REMOVE ee ke FIRE SMOKE 2 NOTE OC BACK UP POWER O TS POLARITY SENSITIVE AND OPTIONAL ALARM BOARD CONNECTION 48 VDC MUST BE CONNECTED AS SHOWN REFRIGERANT LDCKDUT SOO EG 21 EO TUNE J LOCKOUT H TREE OW lt HEAT PUMP 10 0 NR a 24 V TERMINALS A 00 0 OO 4 HO lt uuu LOCKOUT 2 Pe EG o M HEAT PUMP 2 Ge 24 V TERMINALS STANDARD LOCAL COPPER CD cen SENSOR 12 LEADS NEL zi o ee See copper D lt REM 1 NOTE ALL SENSORS ARE OPTIONAL FIELD INSTALLED CT 222222222 POLARITY SENSITIVE COPPER 25 FOOT TEMPERATURE 2 LEAD MIST CONNECT TO SENSORS BARD PART 2 COPPER 017 NUMBER 8612 023 lt REM 2 GENERATOR RUN ALARM cu Eo NC CONTACTS OPEN ON ALARM 4 REMOVE JUMPER Le GEN THIS FUNCTION NOT AVAILABLE 6 HUMIDITY FOR HEAT PUMP APPLICATIONS CONTROLLER FIELD INSTALLED 8201 062 RELAYS MIS 2052 REQUIRED TO UTILIZE REFRIGERANT LOCKOUT FEATURE OF ALARM BOARD Manual 2100 563C Page 29 of 40 gt tCtOAnor xc FIGURE 14 CONTROLLER CONNECTIONS HEAT PUMPS NO ECONOMIZER
2. 4 lt 6 yr R ae SLOOOE T i lt gt p joy yd 9 ECON 4 EF p4 D LOCKOUT 1 4 e dc ALARM BDARD 22 LOCKOUT 2 ECIN 2 4 BLACK 3 YELLON _ PIIRPLE lt PINK _ 4 3 D ECONDMIZER 2 gt ML 2 STANDARD clipper 0 LOCAL SENSOR lt LOCAL 12 LEADS STLVER 40 COPPER Eos Fane ap cewenpe ape OPTIONAL FIELD INSTALLED SILVER AL SENSURS ARE ES 2 3 POLARITY SENSITIVE COPPER ca MECT TENPERATURE i LEAD MUST CONNECT 10 SENSURS BARD PART ee ee CU MNO SILVER LEID TO AG NUMBER 8612 02 bee LU B 8 23 i gs l es See E SILVER GENERATOR RUN ALARM l NC CONTACTS UN ALARM REMOVE JUMPER OPTIONAL FIELD INSTALLED ET RN HUMIDITY CONTROLLER 7 HUMIDITY CONTACTS CLOSE ON RISE 4 J CONTROLLER CO CONNECT E AND F IF EME SM CONDITION 1S DESIRED 9 REFRIGERANT PRESSURE LOC RM REQUIRES J CONTROL MODULE IN A C UNITS THE E AND CONNECTIONS FOR EMERGENCY VENTILATION ATLABLE CNLY ON THE B ALARM BOARD MIS 2045 Manual 2100 563C Page 22 of 40 FIGURE 7 CONTROLLER CONNECTIONS 1 STAGE WA WL W A W L SERIES AIR CONDITIONE
3. 1 2 Stage Compressor Units No Economizer 1 stagel stage cooling set point is the setting SP input into the controller Factory default is 77F 25C On a call for cooling the blower of the lead unit will come on immediately if not already on See Blower Operation and the Stage 1 LED will blink for 10 seconds before going solid at which time the lead unit compressor will start in compressor Stage 1 partial capacity operation 2 cooling set point is 4F default setting user selectable 2 6F warmer than Stage 1 at which time the lead unit compressor will switch to compressor Stage 2 full capacity 3 cooling set point is 2F default setting user selectable 2 3F warmer than Stage 2 On a call for 3 Stage cooling the blower of the lag unit will come on immediately if not already on See Blower Operation and Stage 3 LED will blink for 10 seconds before going solid and then the lag unit compressor will start in compressor Stage 1 partial capacity 4 cooling set point is 2 default setting user selectable 2 3F warmer than Stage 3 On a call for 4th Stage cooling the Stage 4 LED comes on solid no delay and the lag unit compressor will switch to compressor Stage 2 full capacity operation 2 1 Compressor Units with Older Economizers 1 stage cooling set point is the setting SP input into the controller Factory default is 77F 25C On a call for cooling the blower of the lead
4. mo mc EO Yel re LOCKOUT 2 H CIT 1 4 f E STANDARD LOCAL c me 1 miii C E SENSOR 12 LEADS SILVER 00 COPPER C lt REM 1 OPTIONAL FIELD INSTALLED RE SILVER 1 09 25 FOOT TEMPERATURE SENSURS BARD PART pm Ehre ds COPPER C NUMBER 8612 023 sve 00 2 GENERATOR RUN ALARM pha ee EG NC CONTACTS OPEN ON ALARM 22 REMOVE JUMPER Lo GEN OPTIONAL FIELD INSTALLED Pl HUMIDITY CONTROLLER HUMIDITY ND CONTACTS CLOSE ON RISE G2 CONTROLLER 5 REQUIRES ALARM RELAY IN EACH A C UNIT WHICH IS PART OF J CONTROL MODULE MIS 2943 2100 563C 20 of 40 FIGURE 5 CONTROLLER CONNECTIONS 1 STAGE WA WL W A W L SERIES AIR CONDITIONERS WITH OLDER STYLE EIFM ECONOMIZERS NOTE FACTORY INSTALLED ECONOMIZERS H S SHOWN AS SO ES L ON 24 MINAL BLOCK FIRE SMOKE TOR FIELD INSTALLED MUST BE CONNECTED NC CONT FIRE SMUKE ECONOMIZER 1 ROLLER WILL OC POWER INLY YELLOW 1_ PLIRPLE PINK ORANGE LOCKOUT 1 gt LOCKOUT 2 ECON 2 BLU BLAC WU YELLI PLIRP E PINK ORANGE EFIM OPTIONAL FIELD INSTAL
5. r1 and r2 will display temperature only if optional remote sensors are installed f sensors are not installed these are omitted in the display sequence If r1 and or r2 sensor installed the MC4000 will control to the average of the connected sensors Consult installation instructions for additional details 7961 731 Manual 2100 563 Page 35 of 40 FIGURE 17 PARTS LIST DESCRIPTION DIAGRAM OOOOOCOOO Manual 2100 563C 36 of 40 Page Parts List ia Part No Description MC4000 MC4000 A MC4000 AC MC4000 B MC4000 BC AB3000 A AB3000 B CB4000 1 127 343 4 Control Box X X X X X 2 8612 040 Controller Board X X X X X 3 8612 020 Alarm Board A X X X 3 8612 021 Alarm Board B X X X 4 8612 022 Alarm Display X X X X X X 5 113 430 4 Support Bracket X X X X X 6 152 385 4 Control Box Door X X X X X 8611 099 LTF Fitting X X X X X 8 5400 002 Hinge X X X X X 9 8612 023 Sensor X X X X X 10 7961 731 Label Keypad X X X X X 11 8611 006 Ground Lug 2 2 2 2 2 12 8612 05 COmmunication X X x Manual 2100 563C Page 37 of 40 This page intentionally left blank Manual 2100 563C Page 38 of 40 This page intentionally left blank Manual 2100 563 Page 39 of 4 This page intentionally left blank Manual 2100 563C Page 40 of
6. ACCA ANSI ASHRAE BARD Air Conditioning Contractors of America 1712 New Hampshire Avenue NW Washington DC 20009 Telephone 202 483 9370 Fax 202 234 4721 American National Standards Institute 11 West Street 13th Floor New York NY 10036 Telephone 212 642 4900 Fax 212 302 1286 American Society of Heating Refrigerating and Air Conditioning Engineers Inc 1791 Tullie Circle N E Atlanta GA 30329 2305 Telephone 404 636 8400 Fax 404 321 5478 Bard Manufacturing Company Inc 1914 Randolph Drive Bryan OH 43506 Telephone 419 636 1194 Fax 419 636 2640 2100 563C 3 of 40 Manual Page IMPORTANT The equipment covered in this manual is to be installed by trained experienced service and installation technicians Please read entire manual before proceeding SHIPPING DAMAGE Upon receipt of equipment the carton should be checked for external signs of shipping damage If damage is found the receiving party must contact the last carrier immediately preferably in writing requesting inspection by the carrier s agent GENERAL These instructions explain the operation installation and troubleshooting of the MC4000 controller All internal wiring is complete Only attach low voltage field wiring to designated terminal strips The 4000 is for use with units with or without economizers can be configured for use with heat pumps and has a dehumidification control
7. 24 VDC or 48 VDC 20 to 56V maintains microprocessor operation front panel indication amp alarm relay operation during commercial power outages Digital display 4 character LCD Temperature display F or C HVAC outputs Form A NO relays 1A 24 Cooling control stages 2 for each A C unit 4 total when configured for economizers 1 for each A C unit 2 total when configured for no economizers Heating Control stages 1 for each A C unit 2 for each heat pump if so configured Dehumidification circuit requires optional humidity controller as input signal Operating temperature range 0 to 120F 18 to 49C Storage temperature range 20 to 140F 29 to 60C Temperature accuracy 1F from 60 85F 16 30C 1 outside 60 85F Lead lag changeover time 0 to 30 days Timing accuracy 1 Inter stage time delay 10 seconds between stages Inter stage differential Stage 1 to 2 Range 2 6F default is 4 Stage 2 to 3 Range 2 3F default is 2 Stage 3 to 4 Range 2 3F default is 2 On Off differential 2F 1C is standard 4F 3C when excessive cycling mode is enabled Cooling set point range 65 to 90F 18 3 to 32 2C Comfort setting Cooling 72F 22C Heating 68F 20C for 1 hour Dead band difference between cooling and heating set points 2F to 40F 1 1C to 22 2C Fire smoke interface standard NC circuit jumper remove for connection to building system control shuts down both A C units im
8. NC CONTACTS OPEN ON ALARM Z RENE JUMPER THIS FUNCTION NOT AVAILABLE FOR HEAT PUMP APPLICATIONS CD FIELD INSTALLED 8201 062 RELAYS REQUIRED 0 UTILIZE REFRIGERANT LOCKOUT FEATURE OF ALARM BOARD 2100 563C 30 of 40 MIS 2953 ALARM WIRING Alarm relays can be wired for NO close on alarm or NC open on alarm strategy Alarm relays can be used individually if there are enough available building alarm points or can be arranged into smaller groups or even a single group so that all alarm capabilities can be utilized When multiple alarms are grouped together and issued as a single alarm there will no off site indication of which specific problem may have occurred only that one of the alarms in the group has been triggered The individual alarm problem will be shown on the LED display on the face of the controller Note alarm and output relays are Form C SPDT dry contacts rated 1A 24 Note All alarm relay outputs have 10 second delay in acutally issuing to protect against nuisance alarm signals The Power Loss 1 Power Loss 2 and controller alarm relays are all reverse actuated which means they are continuously energized the NO contact is closed and switched to NC position upon alarm condition Therefore it is important to closely follow the alarm board connection diagrams that follow Any alarm feature that is not desired can simply be ignored not connected NOTE The alarm LED di
9. SP Cooling set point temperature 65 to 90F 18 to 32C 77F 25C Deadband between cooling SP and heating set point 2 to 40F 1 to 24C Temperature at remote sensor 1 location if connected Temperature at remote sensor 2 location if connected Continuous blower operation None Lead Both Controller system operates in F or C ForC Alternating Lead Lag Lead Lag sequence or Non Alternating Lead Lead Lag Lag sequence Yes Alternating Yes or No Lead Lag changeover time Days 1 30 days or 0 for disabled HP Heat pump logic enabled only for 1 stage heat pumps and forces Lead Lag sequence overrides a Non Alt setting Yes or No Cbd5 Unit 1 and 2 blowers automatically both run if delta T gt 5F between any 2 connected sensors Yes or No OFde 3 minute lead unit amp 4 minute lag unit off delay enabled Yes or No No crun Minimum 3 minute compressor runtime enabled Yes or No No LoAL Low temperature alarm setpoint 28 to 65F 2 to 18C 45F 7 2C HAL1 High temperature alarm level 1 setpoint 70F to 120F 21 to 49C 90F 32C HAL2 High temperature alarm level 2 setpoint 70 to 120F 21 to 49C 95F 35 Locd Controller is locked and no changes can be made Consult building authority f locked display will show Locd if changes attempted Unlocked Inter Stage Differential ISd2 From S
10. WITH OPTIONAL ALARM BOARD amp CB4000 COMMUNICATION BOARD FIRE SMOKE UNIT 1 LOCAL 1 2 6 GEN e e HUMIDITY CONTROLLER NOTE 0 BACK UP POWER TS POLARITY SENSITIVE AND MUST BE CONNECTED AS SHOWN OR CONTROLLER WILL NOT OPERATE ON OC POWER ONLY NOTE ALL SENSORS ARE POLARITY SENSITIVE COPPER LEAD MUST CONNECT 0 CU AND SILVER LEAD AG ccc EE ccu ee ml LE 5 i bmc FIRE SMOKE ALARM CIRCUIT NC CONTACTS ON ALARM Z RENOVE SUMEER P dd OPTIONAL 48 VC 977 7 7 7 1 i OPTIONAL ALARM BOARD CONNECTION i CONNECTIONS FOR IS REFRIGERANT LOCKOUT ooo 1 r XO 0 4 a m fete tu LOCKOUT 1 Cs Q1 4 Tarn 00000 75 E ty V dT BY enl HEAT PUMP 1 eee See 24 V TERMINALS 4 F 1 18 r 25 1 69 poe ec e LOCKOUT 2 4 3 REPE 1 X84 4 HEAT PUMP 2 g 4 24 V TERMINALS STANDARD LDCAL 255008 SENSUR 12 LEADS SILVER 4 MOLD Ses COPPER 4 OPTIONAL FIELD INSTALLED See eis SILVER 4 25 FOOT TEMPERATURE SENSORS BARD PART prea sae COPPER 4 NUMBER 8612 023 ES SILVER 4 GENERATOR RUN ALARM GENIE UN xor
11. pom ee TT ORANGE L 2 1 _ _____________ wuwo b RED peser wee L LBROWN WHITE MC 2 STANDARD CDPPER L BE LOCAL SENSOR lt LOCAL 2d JADE 2 EU ba 5 m p COPPER D 6 REM Does NOTE FACTORY INSTALLED ECCNOMIZERS SILVER AG NOTE AL SENSIRS ARE HAVE WIRES SHOWN AS SOLID LINES NE eee POLARITY SENSITIVE COPPER ARE ALREADY LANDED DN 24V TERMINAL BLOCK 25 FOUT TEMPERATURE tides ime s COPPER D LEAD MUST CONNECT TO FIELD INSTALLED MUST BE CONNECTED SENSORS BARD PART z REM 2 CU AN SILVER LEAD TO AG NUMBER 8612 023 pc SILVER GENERATOR RUN ALAM LZ z5 4 GENERATOR RUN ALAR NC CONTACTS OPEN DN ALARM 22 REMOVE JUMPER Tuo GEN OPTIONAL FIELD INSTALLED ____ _J4 iD saan HUMIDITY CONTROLLER NO CONTACTS CLOSE ON RISE 8 CONTROLLER CD JADE CONTROLLER MUST BE SET TO 10V ON MINIMUM POSITION TO WORK AS EMERGENCY VENTILATION 2 REFRIGERANT PRESSURE LOCKOUT ALARM REQUIRES J CONTROL MODULE IN A C UNITS THE AND F CONNECTIONS FOR EMERGENCY VENTILATION ARE AVAILABLE ONLY ON THE B ALARM BOARD 2100 563C 28 of 40 Manual Page MIS 205 FIGURE 13 CONTROLLER CONNECTIONS HEAT PUMPS NO ECONOMIZER
12. 11 6 Click OK and close all windows 7 Start your browser enter the CB4000 s default IP address 192 168 1 67 and hit Enter 8 The 4000 log in page should appear Manual 2100 563C Page 14 of 40 For Vista or Windows 7 1 Open Control Panel click Network amp Internet Click Network amp Sharing Center Click Local Area Network link Click Properties Highlight Internet Protocol Version 4 TCP IPV4 and select Properties 6 Change the addresses as follows Cubo D IP address 192 168 1 50 Subnet mask 255 255 255 0 Default gateway 192 168 1 1 Preferred DNS server 192 168 1 10 Alternate DNS server 192 168 1 11 7 Click OK and close all windows 8 Start your browser enter the CB4000 s default IP address 192 168 1 67 and hit Enter 9 The MC4000 log in page should appear LOGIN PAGE 1 Type in Admin for the user name and Bard for the password These are case sensitive Hit Log In 2 Click the System Setup button SYSTEM SETUP PAGE Note If the remote user is on a different subnet than the CB4000 it is recommended that Static IP Addressing be used rather than DHCP IF YOUR NETWORK USES STATIC IP ADDRESSING 1 Enter the correct address information provided by your IT department and click the Save Config button 2 The assumption is that the new IP address has already been configured into the network to get through any firewall s 3 Disconnect the Ethernet cabl
13. 40
14. ALARM STRATE EXAMPLE N LS FO ACHIEVE NO CL IF THERE ARE EN RRANGED INTO SM RM CAPABILITIES GY MULTIPLE ALA POWER LOSS E R DESIGNATE a Cy Co R SE DN ALAR UGH BUILD CAN BE UTI S IN A GR POWER LOSS 2 LLER GROUPS OR ULP ARE WIRE TIE D ALARMS AS DESIRED S SEDUENCE ALARM P EVEN 1260 FOR LOW TENP Ow EACH CAN HINTS A SINGLE NU Li IME RELAYS ARE D IN PARALLEL MIS 2015 Note 1 2nd Stage Econ 1 Econ 2 High Temp 2 and Controller alarms are only on B alarm board other alarms are on both A and B alarm boards IMPORTANT LED display board is shipped loose to protect it from possible damage during installation of the wiring to main controller board and or the alarm board It is polarity sensitive and is keyed so it can only be installed in correct position 2100 563C 33 of 40 Manual Page PROGRAMMING INSTRUCTIONS To swap lead and lag unit positions press the ADVANCE button To enter the Program mode press the PROGRAM button and release it when the message PROG appears on the display When in Program mode the DOWN and UP arrows are used to scroll through the programming steps A FLASHING display means that the function or choice is SET and the display will alternate between the step function and setting To change the setting of any step press the CHANGE button and
15. LA E LBROWN WHITE MC 2 STANDARD COPPER 1 LOCAL SENSOR LOCAL E 12 LEADS SILVER Q COPPER D P lt 1 OPTIONAL FIELD INSTALLED oe SILVER 00 25 FOOT TEMPERATURE 1 SENSORS BARD PART Pe cune NE M CU AND SILVER LEAD TO AG NUMBER 8612 023 L Io Z RM CU AND SILVER LEAD AG SILVER AQ GENERATOR RUN ALARM EGER UE 160 NERA N ALA DEMRVE IMPE b NC CONTACTS OPEN ON ALARM REMOVE JUMPER GEN 52 OPTIONAL FIELD INSTALLED cuc dE ay HUMIDITY CONTROLLER 77 HUMIDITY ND CONTACTS CLOSE ON RISE t D CONTROLLER JADE CONTROLLER MUST BE SET TO 10V ON MINIMUM POSITION TO WORK AS EMERGENCY VENTILATION REFRIGERANT PRESSURE LOCKOUT ALARM REQUIRES J CONTROL MODULE IN A C UNITS 3 THE E AND CONNECTIONS FOR EMERGENCY VENTILATION ARE Manual 2100 563C Page 26 of 40 FIGURE 11 CONTROLLER CONNECTIONS 1 STAGE WA WL W A W L SERIES AIR CONDITIONERS WITH ECONWMT ECONOMIZERS AND WITH ALARM BOARD amp CB4000 COMMUNICATION BOARD FISE SMUKE BROWN WHITE ORANGE RED VELLOW RED BROWN WI GENERATOR RUN NC CONTACTS ALARM OPEN ON ALapy Z REMOVE JUMPER D INSTALLED ROLLER CLOSE ON I 10V C AS
16. ON RISE cC 4 D CONTROLLER REBUIRES ALARM RELAY IN EACH A C UNIT WHICH IS PART OF J CONTROL MODULE 2100 563 19 of 40 a ss ce AMVEro CtOoArncer FIGURE 4 CONTROLLER CONNECTIONS 2 STAGE WA S WL S SERIES AIR CONDITIONERS ECONOMIZERS WITH ALARM BOARD amp CB4000 COMMUNICATION BOARD NOTE OC BACK UP POWER TS POLARITY SENSITIVE AND MUST BE CONNECTED AS SHOWN OR CONTROLLER WILL NOT OPERATE ON OC POWER ONLY NOTE ALL SENSORS ARE POLARITY SENSITIVE COPPER LEAD MUST CONNECT 0 CU SILVER LEAD AG UE ee M C IM LC HM LEE M q SI q FIRE SMOKE ALARM CIRCUIT i ad NC CONTACTS OPEN ON ALARM z REMOVE JUMPER 7 FIRE SMOKE 1 OPTIONAL 48 Vt 777777777 1 CONNECTIDN ENIRO 48 VDC E OPTIONAL ALARM BOARD enemas q i od CONNECTIONS FOR 1 UNIT 1 noi REFRIGERANT LOCKOUT 24 V TERMINALS 2 4 K J wean FY EE Q G 1 PEETRE BES esu um x EEEE 9 Penes D 2 TES ese UNIT 2 24 V TERMINALS t 4 A a E a a E
17. at which time the lag unit compressor will start in compressor Stage 1 partial capacity operation 3 cooling set point is 2F default setting user selectable 2 3F warmer than Stage 2 On a call for 3 Stage cooling the Stage 3 LED comes on solid no delay and the lead unit compressor will switch to compressor Stage 2 full capacity operation Manual 2100 563 Page 9 of 40 4 cooling set point is 2 default setting user selectable 2 3F warmer than Stage 3 On a call for 4th Stage cooling the Stage 4 LED comes on solid no delay and the lag unit compressor will switch to compressor Stage 2 full capacity operation 3 1 Stage Compressor Units with Older Economizers Enthalpy OD Sensor 1 stage cooling set point is the setting SP input into the controller Factory default is 77F 25C On a call for cooling the blower of the lead unit will come on immediately 1f not already on See Blower Operation and the Stage 1 LED will blink for 10 seconds before going solid at which time the lead unit Y1 cooling output turns on If the outdoor temperature and humidity conditions are below the set point of the economizer control the lead unit economizer will operate instead of the compressor If outdoor conditions are not acceptable for free cooling the compressor will automatically operate instead of the economizer 2 cooling set point is 4F default setting user selectable 2 6F warmer than Stage 1 On a call
18. compressor will switch to compressor Stage 2 full capacity Note A Economizers in ECONWMT Series are available with either T temperature only outdoor sensor or E enthalpy temperature and humidity outdoor sensor The T versions will have a fixed but selectable outdoor temperature decision whereas on the E versions the outdoor temperature decision will float based on outdoor humidity and the selected Enthalpy curve in the economizer control module HEATING SEQUENCE OF OPERATION Note All heating sequences for air conditioners with electric heat or heat pumps will automatically operate in Alternating Lead Lag Lead Lag sequence even if controller is set to Non Alternating for cooling with or without economizers 1 Air Conditioners with Electric Heat 1 stage heating set point is the dead band db below the 1 stage cooling set point the SP entered into the program The dead band 15 adjustable from 2 40F and factory default is 17F 2 stage heating set point will operate at same inter stage differential as set for cooling mode 2 Heat Pumps with Electric Heat When the MC4000 controller is configured for heat pump installations the 2 stage Y2 outputs for both units 1 and 2 are redefined and used to control the reversing valves and which are energized in heating mode 1 stage heating set point is the dead band db below the 1 stage cooling set point the SP entered into the program The dead band 1
19. default settings b Each of these points has a drop down menu for ease of use 2 Alarm Board Setpoints a Low temperature alarm setpoint b High temperature alarm 1 setpoint c High temperature alarm 2 setpoint 3 System Overrides a System 1 Cooling Override b System Heating Override c System 2 Cooling Override d System 2 Heating Override e Turn Power On to the System Note Cannot remotely turn the controller system Off f Lock Unlock Controller g Advance Lead to Lag Unit h Comfort Mode i Restore System Defaults j Reset Controller There are built in routines to prevent the controller system from getting locked up but this also allows a manual remote reset as a backup before having a service call to the site LOG OUT BUTTON 1 Clicking this button will automatically log you off the controller remote access 2 Tolog back in will require entering assigned IP address into your browser and entering valid User Name and Password CONNECT TO NETWORK 1 After initial set up using laptop computer disconnect computer cable from the Ethernet port and connect the CAT 5 or CAT 6 network cable 2 Remote access is now available using the assigned IP address and valid User Name and Password case sensitive PHONE JACK CONNECTION lt TO MAIN CONTROLLER BOARD IP DEFAULT ADDRESS RESET 2100 563C 15 of 40 Manual Page CONTROLLER WIRING The 4000 can be used for controlling two 2 air conditio
20. disabled when the controller is in locked mode Locking and Unlocking the MC4000 Controller 1 Locking the controller requires using 3 buttons while the controller is in the normal operating run mode 2 Press and hold the Advance Change Save button and the Up and Down arrow buttons simultaneously for 20 seconds until the display shows Locd 3 To unlock the controller press the Change Up and Down arrow buttons simultaneously for 20 seconds until the display reads uLoc Manual 2100 563C Page 16 of 40 GENERATOR RUN FEATURE If desired the MC4000 controller can be signaled from a standby generator system to lockout disable operation of the lag air conditioning system This is sometimes mandated if the generator size is not sufficient to handle the building load amperage and that of both air conditioning systems A normally closed NC dry contact as part of generator controls is required These contacts must open when the generator is started and such action will signal the MC4000 controller to this condition and disable lag air conditioner run function A wire jumper is factory installed across the G1 and G2 terminals or main controller board To utilize the generator run feature remove the jumper from G1 and G2 and connect the generator normally closed NC contacts that will open on run generator condition to the and G2 terminals BACKUP DC POWER CONNECTION There are input connections available for
21. feature if an optional humidity controller is connected Each unit should be sized to handle the total load of the structure if 100 redundancy is required It is recommended that a five 5 minute compressor time delay relay be installed in each unit 1f not so equipped The MC4000 controller is suitable for both 50 and 60 HZ operation and is fully configurable such that it can be used in virtually any installation See Controller Programmable Features and Default Settings THEORY OF OPERATION The controller is used to control two wall mount air conditioners from one control system It provides total redundancy for the structure and equal wear on both units It can be used with units with or without economizers and it is recommended that both units be equipped alike Manual 2100 563C Page 4 of 40 The 4000 controller can be configured for alternative lead lag lead lag sequence which is default setting It can be changed to non alternating lead lead lag lag sequence as required for special applications or user preference The 4000 can be equipped with one of two alarm boards and these can be factory installed or installed at any time in the field if so desired Should the base controller alone be initially installed it is easily upgradeable by simple snap in plug in field installation of either one of the alarm boards requiring only the connection of the building alarm circuitry to the alarm boards Form C
22. programmed settings automatically after 1 hour 3 Pressing the Comfort button during the 1 hour period will deactivate the Set Point change 4 The temperature display will flash the current temperature while in override mode Program Button 1 Press the Program button and release it when the message Prog appears on the display 2 Refer to Programming Instructions and follow these commands to change from Default settings Advance Change Save Button 1 Press and release the Advance button to swap lead and lag unit positions 2 When in Program mode the Down and Up buttons are used to scroll through the programming steps 3 flashing display means that the particular function of that programming step is set and the display will alternate between the step function and the setting 4 To change the setting press the Change button and the display will stop flashing allowing change to the setting 5 Use Down or Up arrows to change setting as desired and press the Save button and proceed as desired 6 When done with programming changes press the Program button until display stops flashing and room temperature is shown Up and Down Buttons These buttons are used to change the settings in conjunction with the Advance Change Save button when in programming mode CONTROLLER PROGRAMMABLE FEATURES AND DEFAULT SETTINGS Order Display Description Range Choice Default LSEn Temperature at local main sensor
23. the display will stop flashing allowing change to the setting by using the DOWN or UP arrows When desired setting is reached press the SAVE button and proceed as desired When done with programming changes press the PROGRAM button until display stops flashing and room temperature display is shown If no buttons are pushed within thirty 30 seconds the controller will automatically revert back to RUN mode To reset all controller settings to the factory default values press the PROGRAM button for 10 seconds until display reads dEF NOTE When the controller has the security locking feature enabled no changes to any selectable features can be made and the default reset feature is also locked out All of the programmable features settings can be reviewed using the Program button and Up or Down arrows but any attempt to change settings using the Change button will result is display showing Locd indicating controller is locked See section on Security Locking Feature See next page for Programmable Features Default Settings and MC4000 front panel label layout NOTE When using the controller buttons to review settings or making changes push and hold the buttons for approximately 1 second or until the display changes Quickly pushing or jabbing the buttons will not allow the controller to respond Manual 2100 563C Page 34of 40 CLIMATE CONTROL SOLUTIONS Alarms Alarm boards are optional and can be fact
24. unit will come on immediately if not already on See Blower Operation and the Stage 1 LED will blink for 10 seconds before going solid at which time the lead unit Y1 cooling output turns on If the outdoor temperature and humidity conditions are below the set point of the economizer control the lead unit economizer will operate instead of the compressor If outdoor conditions are not acceptable for free cooling the compressor will automatically operate instead of the economizer 2 cooling set point is 4F default setting user selectable 2 6F warmer than Stage 1 On a call for 2 Stage cooling the lead unit Y2 cooling output turns on The lead unit economizer will close and the compressor will operate If the compressor is already running from 1 stage cooling call due to outdoor conditions being outside of free cooling range no action occurs at 214 stage set point Manual 2100 563 Page 11 of 40 3 cooling set point is 2F default setting user selectable 2 3F warmer than Stage 2 On a call for 3 Stage cooling the blower of the lag unit is turned on if not already on See Blower Operation and the Stage 3 LED will blink for 10 seconds before going solid and the lag unit economizer will operate if the outdoor temperature and humidity conditions are below the set point of the economizer control If outdoor conditions are not acceptable for free cooling the compressor will automatically operate instead of the ec
25. vn PN 45 OPERATE ON OC POWER ONL YELLON 10 PURPLE M PINK t aLL ne RED D EO YELLOWRED 4 E BROWN WHITE jam ta D URANGE 9101016 S j gt FB TT E ECON 1 1 dew LOCKOUT 1 S esae 3 ALARM BOARD 27 LOCKOUT 2 ECU JADE 2 BLACK YELLOW PURPLE UNIT 2 PINK RED YELLDW RED 4 E LBR NN WHITE S IRANGE STA Se BLUE LUCA E LUCA 12 TEADS SILER 4 N LLL COPPER Iz REM 1 E HRE OPTIONAL FIELD INSTALLED SILVER 0 NOTE ALL SENSORS IRE V PILARITY SENSITIVE COPPER 25 FOOT TEM IPERATLRE SENSO PART TOERE COPPER a d MUST CONNECT TO SENSOR REM 2 CU AND SILVER LEAD TO AG NUMBE lt p EM 2 SILVER 40 GENERATOR RUN AL D REMOVE JUMPER lb GEN NC CONTACTS proe EMEN Wwe OPTIONAL FIELD INSTALLED 4 HUMIDITY CONTROLLER cai s GMDATE CONTACTS CLOSE ON RISE GJ CONTROLLER CO JADE CONTROLLER MUST BE SET TO 10V ON MINIMUM POSITION WORK AS EMERGENCY VENTILATION REFRIGERANT PRESSURE LOCKOUT ALARM REQUIRES J CONTROL MODULE IN A C UNITS Ce CONNECT TOME cor n D AL ADM BnADP Q THE F CONNECTIONS FOR EMERGENCY
26. 1 stage cool Form A NO Y2 2 stage cool Form A NO W heat Form A NO F1 F2 Fire smoke interface Shipped with jumper installed a 48Vde Back up power input 24Vdc or 48Vdc 20V to 56V range Local Main sensor 12 inch leads CU copper AG silver Polarity sensitive Rem1 Optional remote indoor sensor CU copper AG silver Polarity sensitive Rem2 Optional remote indoor sensor CU copper AG silver Polarity sensitive Gen Generator interface G1 G2 Shipped with jumper installed a H1 H2 Humidity controller input Requires optional controller Field installed a These connections require either jumper or Normally Closed NC relay contact at the Fire Smoke and Generator interface for Controller to function NOTE Sensors are solid state not RTD Use Bard sensors only Note All alarm and output relays are dry contacts rated 1A 24 VAC Note All alarm relay outputs have 10 second delay before issuing to protect against nuisance alarm signals SPECIFICATIONS FEATURES FOR ALARM BOARDS 4000 w Optional Base Alarm Board Inputs Outputs NOTE If this alarm board was not originally factory installed it can be field installed at anytime Bard part number is AB3000 A Inputs Lockout 1 2 3 input from HVAC 1 Lockout 2 2 3 input from HVAC 2 Outputs Smoke Fire Form C SPDT Lockout 1 Form C SPDT Refrigerant alarm HVAC 1 Lockout 2 Form C SPDT Refrig
27. 24VDC or 48VDC 20 to 56V backup power connection Making this connection will maintain microprocessor operation front panel display LED signaling and alarm relay operation during periods of commercial power outages and when no standby generator is available This circuit is protected by a replaceable 5A 500mA 250V fuse IMPORTANT The shelter DC battery power must be connected to the controller and wired as shown in controller wiring diagrams The backup DC power connection is polarity sensitive If polarity is reversed the controller will not function on backup power no display and no alarm functions will be evident TABLE 1 HOOK UP DIAGRAM SELECTION TABLE REFERENCE FIGURE 1 SHOWN Newer Older EIFM Newer MC4000 A or MC4000 B Oder EFM Economizer EcoNwMr ECONWMT System Model No SEQ Economizer Economizer with Communication NE with CB4000 Economizer No 3 Type Series Communication SQ eee with CB4000 Board No Economizer Communication Communication with 1 Stage WA WL Compressor W A W L AIC with 2 Stage y wes EN Compressor WH W H jaki SH S H o9 FIGURE 1 CONTROLLER CONNECTIONS 1 STAGE WA WL W A W L SERIES AIR CONDITIONERS NO ECONOMIZER FIRE SMOKE ALARM CIRCUIT LED NC CUNTACTS DPEN DN AL
28. 5 adjustable from 2 40F and factory default is 17F I stage heating consists of lead unit blower coming on if not already on See Blower Operation and reversing valve being energized The Stage 1 heating LED will blink for 10 seconds at which time the compressor turns on 2 heating set point is 4F default setting user selectable 2 6F cooler than Stage 1 On a call for 274 Stage heating the blower of the lag unit is turned on if not already on See Blower Operation the reversing valve 18 energized and the Stage 2 LED will blink for 10 seconds before going solid at which time the compressor will start 3 _stage heating will be the electric heater if so equipped in the lead unit Stage 3 heating LED comes on solid with no blinking 4 stage heating will be the electric heater if so equipped in the lag unit Stage 4 heating LED comes on solid with no blinking 2100 563C 13 of 40 Manual Page SPECIFICATIONS FOR OPTIONAL REMOTE COMMUNICATION BOARD CB4000 COMMUNICATION BOARD Note If this communication board was not originally factory installed it can be field installed at anytime Bard part number is CB4000 Either the A or B alarm board is required for CB4000 to operate properly It allows remote access via Ethernet depending upon level of authority assigned to all functions of the controller system the same as it one was in the building where the controller system is physically installed Requi
29. ARM E ee he FIRE SMUKE NOTE OC BACK UP POWER PTIDNAL 4 t IS POLARITY SENSITIVE AND AA EE 48 VDC MUST BE CONNECTED AS SHOWN js OR CONTROLLER WILL NOT a OPERATE ON OC POWER ONLY OPTIONAL ALARM BOARD qne tete EG CONNECTIONS FOR A C 1 UNIT 1 REFRIGERANT LOCKOUT 24 V TERMINALS 2 2 LOCKOUT 5 2 26 2 d OJE p 24 V TERMINALS 2 KE We LOCKOUT 2 2 DE 5 4 PPE 4 STANDARD LOCAL aee TD SENSOR 12 LEADS suve t Ap COPPER lt NOTE ALL SENSORS ARE OPTIONAL FIELD INSTALLED SSS Se SILVER 7 POLARITY SENSITIVE COPPER 25 FOOT TEMPERATURE SENSURS BARD PART Pe COPPER CN OE T ii NUMBER 8812 023 EN sites 1 0 REM 2 GENERATOR RUN ALARM pao NC CONTACTS OPEN ON ALARM TM e GEN OPTIONAL FIELD INSTALLED ETE A HUMIDITY CONTROLLER HUMIDITY NU CONTACTS CLOSE ON RISE A CONTROLLER O REQUIRES ALARM RELAY IN EACH A C UNIT WHICH IS PART OF J CONTROL MODULE MIS 2012 8 Manual 2100 563 Page 17 of 40 AL ALARM BOARD CONNECTIONS FOR REFRIGERANT LOCKOUT LOCKOUT i e LOCKOUT 2 FIGURE 2 CONTROLLER CONNECTIONS 2 STAGE WA S WL S SERIES AIR CONDITIONERS NO ECONOMIZERS UPTIDNAL FIELD INSTALLED 25 FOOT TEMPERATURE SENSORS BARD PART NUMBER 8612 023 Manual Page 18 o
30. E Push and hold Up or Down arrows for 1 second until display blanks to move between steps 12 FdE 3 minute lead unit amp 4 minute lag unit off delay enabled Yes or No Defaultis No 13 crun Minimum of 3 minute compressor runtime enabled Yes or No Default is No 14 LoAL Low temperature alarm setpoint 28 to 65F or 21 1 to 48 8C Default is 45F 7 2C 15 HAL High temperature alarm Level 1 setpoint TOF to 120F or 21 1 to 48 8C Default is 90 32 2 16 HALZ High temperature alarm Level 2 setpoint 70 to 120F or 21 1 to 49C Default is 95F 35C 17 1548 Inter stage differential from Stage 1 to 2 2 3 4 5 or 6F Default is 4 18 583 Inter stage differential from Stage 2 to 3 2 or 3F Default is 2 19 1544 Inter stage differential from Stage 3 to Stage 4 2 or 3F Default is 2 20 Tum above SP for Stage 1 Cooling 1 or 2 Default is 2 21 Tum Off below SP for Stage 1 Cooling 1 2 3 or 4F Default is 2 ote For CSon and CSoF Stage 2 3 and 4 Cooling are automatically same as Stage 1 22 All Heating stages are equal On amp Off differential 1 1 or 2 2 Default is 2 42 23 oP lor2 stage compressor if set to 1 the 2nd Stage Cooling Alarm activates on Cooling Call 2 f set to 2 the 2nd Stage Cooling Alarm activates on Cooling Call3 10 2 Defaultis 1 24 Locd Controller is Locked Consult building authority for further instructions
31. EMERGENCY VENTILATILN REQUIRES J CONTROL MODULE IN A C UNITS TLABLE ONLY DIN THE B 5 2950 2100 563 27 of 40 FIGURE 12 CONTROLLER CONNECTIONS 2 STAGE WA S WL S SERIES AIR CONDITIONERS WITH ECONWMT ECONOMIZERS AND WITH ALARM BOARD amp CB4000 COMMUNICATION BOARD MP np DECEM TEM Ir 3 E I 424 l FIRE SMOKE ALARM CIRCUIT i NC CONTACTS OPEN ON ALARM RENE MEER Ie RISE SHERE NOTE DC BACK UP PIVER OPTIONAL 9 4G TS POLARITY SENSITIVE AND JADE 48 VOC 48 VOC MUST BE CONNECTED AS HON ECONOMIZER 1 1 CONNECTION lt OR CONTROLLER WILL NOT BLACK OPERATE ON DC POWER ONLY YELLOW 71 0 4 O Lo PURPLE OE ty UNIT 1 ORANGE 4 PIK 4 rm _ gt 5 EI YELLDI RED F 3 2 1 1 rep aec jd BROWN WHITE HOO HBLE TT OTT EG p h ERN 1 j 4 O E ea l LOCKOUT 1 2 2 BOARD S T O 163 LOCKOUT 2 H i E aa D Gy e p 1 2 2 E ROI EE 2 SOOO D _ BLACK zm YELLOW Yi ao eS See PURPLE
32. INSTALLATION INSTRUCTIONS amp REPLACEMENT PARTS LIST MC4000 SERIES SOLID STATE DUAL UNIT LEAD LAG CONTROLLER fj Bard Manufacturing Company Inc Manual No 2100 563 f Bryan Ohio 43506 Supersedes 2100 563B Since 1914 Moving ahead just as planned p Vol Ill Tab 19 CLIMATE CONTROL SOLUTIONS Page 1 of 40 CONTENTS Getting Other Information and Publications 3 4000 General Information Shipping Damage 4 General 2 2 4 Theory of Operation 4 Controller Certifications 4 Specifications Features for Basic Controller MC4000 Basic 5 Mounting the Controller Installation Instructions 2 2 5 Temperature Sensors Two Optional Sensor 5 Temperature Sensor Logic Using Multiple Sensors 5 Controller Input Output Specifications 4000 Controller Connections 6 Specifications Features for Alarm Boards MC4000 A with Optional Base Alarm 6 4000 with Enhanced Version Alarm 6 Low Voltage Field Wiring Circuitry in the 4000 7 Controller Grounding er Inte re o U o o 7 Controller
33. LED NI ALL SENS 5 POLARITY SENSI 25 MPERATURE A neer TE Tm TEMPERATURE POMPE copper EAD MUST CONNECT TO MBER B612 2 REM 2 CU AND SILVER LEAD TU AG NUMBER 86 L MU EU ERA 2 GENERATOR RUN ALARM L PEMDVE JUMPER EN NC CONTACTS OPEN ON ALARM e OPTIONAL FIELD INSTALLED 4 A HUMIDITY CONTROLLER NU CONTACTS CLOSE IN RISE fie EUNT ROLES CU CONNECT E AND F IF EMERGENCY VENTILATION ON HIGH TEMP TUN TS DESIRED N A C UNITS RM BIARD MIS 204 Manual 2100 563C Page 21 of 40 FIGURE 6 CONTROLLER CONNECTIONS 2 STAGE WA S WL S SERIES AIR CONDITIONERS WITH OLDER STYLE EIFM ECONOMIZERS NOTE FACTORY INSTALLED ECONOMIZERS HAVE WIRES SHOWN AS SOLID LINES fo ARE ALREADY LANDED ON 24V TERMINAL BLOCK FIRE SMOKE ALARM CIRCUIT PE b FIELD INSTALLED MUST BE CONNECTED NC CONTACTS OPEN UN ALARM e 2 2 te OPTIONAL d 48 VOC ECINOMIZER 1 1 CONNECTION lt d O OR CONTROLLER WILL MOT HET P DPERATE ON POWER ONLY IS rq WY fe SS eS Se 9 YELLOW 4 EO PURPLE Q H 1 Z MNI PINK 3 im PEN ORANGE
34. LOSE ON RISE 6 CONTROLLER CO CONNECT E AND F IF EMERGENCY VENTILATION ON HIGH TEMP ALARM CONDITION IS DESIRED 2 REFRIGERANT PRESSURE LOCKOUT REMUTRES J CONTRUL MUOULE IN UNTTS THE E AND F CONNECTIONS FOR EMERGENCY VENTILATION ARE AVAILABLE ONLY BOARD Manual 2100 563C Page 23 of 40 FIGURE 8 CONTROLLER CONNECTIONS 2 STAGE WA S WL S SERIES AIR CONDITIONERS WITH OLDER STYLE EIFM ECONOMIZERS AND WITH ALARM BOARD amp CB4000 COMMUNICATION BOARD ALARM CIRCUIT MUKE ALARM LIN ETREAM NC CONTACTS OPEN DN ALARM 2 REMOVE JUMPER Le a NOTE BACK UP DETINA qj G T POLARITY SENS 48 VDC 48 VOC MUST BE CONNECTED AS SHOWN ECONOMIZER 1 CONNECTION lt 4 XE OR CONTROLLER WILL NOT OPERATE ON OC POWER ONLY BLACK YELLOW PURPLE Y PINK ORANGE EN BLUE 4 E HKDOQOQ K zm i T E 2 c 3 E RELAY KIT BROMNAIHTTE b eee PART 8620 221 r BROWAWHITE l p 4 ORANGE 4 E ECENDMT7ED 2 mau af ees raa sun xa e cs es sa cra ECENDMTZER 2 9 NOTE FAC
35. OSS POWER LOSS 2 TEMP EXAMPLE Tet TUS W 15 20 Note 1 2nd Stage Econ 1 Econ 2 High Temp 2 and Controller alarms are only B alarm board other alarms are on both A and B alarm boards IMPORTANT LED display board is shipped loose to protect it from possible damage during installation of the wiring to main controller board and or the alarm board It is polarity sensitive and is keyed so it can only be installed in correct position Manual 2100 563C Page 32 of 40 FOR UNITS WITH ECONOMIZERS MAKE THIS CONNECTION FOR MC 2 24 i 24 Hi EMERGENCY VENTILATION STRATEGY 8 FIGURE 16 ALARM BOARD CONNECTIONS FOR NORMALLY OPEN NO CLOSE ON ALARM STRATEGY Mf 24 jn a REFR rt L1 MC 2 24V Hi REQUIRES J CONTROL MODULE IN A C UNITS THES CONNECTION FOR HIGH amp LOW PRESSURE GERANT ALARM NIE 2N STAGE EIN EIN 2 SNIKE F IRE Q POWER L WE SECTION ON 05 DOO STAGE COOLING ALARM POVER LOSS 2 0101C LOCKOUT LOV O OO O LOCKOUT 2 HIGH TEMP 1 OW LOCKOUT OJOJOO 11 LOCKOUT 2 HIGH TENP 2 000 amp CONTROLLER NOTE USE VAI ROUP LOSE SE SHADED TERMI EVERSE ACTIVATED T D INDIVIDUALLY LABLE UR CAN BE A SO THAT ALL ALA UN
36. Power Up Time Delay on 7 Fire Suppression Circuit Disabling the 4000 7 Staging Delay Periods Stages 1 4 7 Blower Operation Various Blower Options 7 Advance Swap Lead Lag Unit Feature Manual Switching of Units 7 Accelerate Timer Feature Testing the Timer Function 7 General Programming Overview Buttons amp Function 2 2 8 Humidity Control Option Adding Optional Humidity Control 9 Cooling Operating Sequences for Alternating Lead Lag Lead Lag Config 9 11 Cooling Operating Sequences for Non Alt Lead Lead Lag Lag Config 11 13 Heating Sequence of Operation 13 Specifications Opt Remote Comm Board 14 15 CB4000 Communications Board To Controller Wiring Refer to Connection Diagram 16 Security Locking Feature Locking and Unlocking the 4000 16 Generator Run Feature Standby Generator Disable Operation 16 Backup DC Power Connection Input Connections Available 16 Alarm Wiring ere iren eec 31 2nd Stage Cooling Alarm 31 Refrigerant Pressure Alar
37. RS WITH OLDER STYLE EIFM ECONOMIZERS AND WITH ALARM BOARD amp CB4000 COMMUNICATION BOARD O O a NM i FIRE SMOKE ALARM CIRCUIT A I a NE CONTACTS OPEN ON ALARM lt REMOVE JUMPER e FIRE SMIKE MOTE D S POLARIT Cg e MT BE CONNECTE 1 ECONOMIZER 1 ER CONTROLLER WILL NOT EDWER DN V pn BITE PS RATE DN 0 POVER pu rd ps pod lt pod UNIT I p d A9 1 Au d pod AM P ce4ooo M SL BE M a eis SEIL 1 1 tbe ol Eg 4 1 1 LockouT 1 L 8 al ECON 2 res AU 41 E 25 Zo 2 ORANGE EO ECONUMIZER 2 ae A C 2 TORY INSTALLED ECONUMIZERS LOCA RES SHOWN AS SOLID LINES 2 sti ver ALREADY LANDED ON 24V TERMINAL BLOCK Team FIELD INSTALLED MUST BE CONNECTED mu COPPER OPTIONAL FIELD INSTALLED SILVER 25 FOOT TEMPERATURE COPPER SENSORS BARD PART LLL COPPER ie Y IMBER 8612 023 L A REM 2 CU AND SILVER LEAD AG GENERATOR RUN ALARM IC CONTACTS OPEN A OPTIONAL FIELD INSTALLED 2222222224 E HUMIDITY CONTROLLER e HUMIDITY NO CONTACTS C
38. TORY INSTALLED ECONOMIZERS LOCAL SENSOR HAVE WIRES SHOWN DLI ba HN E ALREADY LANDED 24V TERMI ADS SIEVE COPPER mmc TL M I VER NOTE ALS EN SIE PILARLTY SENSITIVE fe eee mE LEAD MIST CONECT 10 ae CU AND SILVER LEAD TO AG GENERATOR RUN ALARM Sg 0 NC CONTACTS OPEN ON ALARM 22 REMOVE JUMPER p 5 OPTIONAL FIELD INSTALLED 2 2 2 HUMIDITY CONTROLLER HUMIDITY NO CONTACTS CLOSE ON RISE 4 0 CONTROLLER RM CONDITION IS DESIRED CD CONNECT E AND F IF EM NCY VENTILATION ON HIGH CKDLIT ALARM PEDUIRES J CONTROL MODULE IN A C UNITS G NS FOR EMERGENCY Manual 2100 563C Page 24 of 40 9 CONTROLLER CONNECTIONS 1 STAGE WA WL W A W L SERIES AIR CONDITIONERS WITH ECONWMT ECONOMIZERS FACTURY INSTALLED ECD SHOWN AS SOLID LINES fo y ARE ALREADY LANDED UN 24V TERMINA C FIRE SMOKE ALARM CIRCUIT e ue FIELD INSTALLED MUST BE CONNECTED NC CONTACTS OPEN ON ALARM lt lop p TEN NOTE OC OPTIONAL 42 IS POLARITY 48 VOC Z 48 VIC MUST BE CONNECTED AS SH ZER 1 WC 1 CONNECTION 4 rx i CONTROLLER H ILL NOT BLACE
39. This page shows the overall HVAC status of a Active cooling or heating stages or dehumidification mode requires humidity sensor b Active controller outputs blower cooling Stage 1 or 2 heating to each air conditioner Which unit is the Lead unit d Power loss or refrigerant lock out for each air conditioner e If economizers are used if on or off Note older style EIFM economizers require a simple relay kit for this feature to work Bard Part Number 8620 221 General status of a Dehumidification Active or not b Backup Generator Active or not if tied to generator run controls to inhibit lag unit operation during generator run c Alarm board connected or not d Controller system Locked or Unlocked e Comfort mode Active or not Temperatures a Average temperature 1f more than ones sensor used if not will read same as Local sensor b Local sensor at controller c Remote 1 or Remote 2 if connected e CB4000 COMMUNICATION BOARD ETHERNET PORT General Alarm Status a Fire Smoke Clear or Alarm b Low Temp Clear or Alarm c High Temp 1 Clear or Alarm d High Temp 2 Clear or Alarm e Controller Failure Clear or Alarm SETPOINTS PAGE Note Read level authority can view this screen but cannot make any changes Admin and Write authority can make changes 1 General Setpoints a On initial installation and start up all selectable characteristics are set to factory
40. VENTILATION ARE ONLY ON THE B ALARM BOARD MIS 2048 Manual 2100 563C Page 25 of 40 FIGURE 10 CONTROLLER CONNECTIONS 2 STAGE WA S WL S SERIES AIR CONDITIONERS WITH ECONWMT ECONOMIZERS NOTE FACTORY INSTALLED ECONOMIZERS HAVE WIRES SHOWN AS SOLID LINES ARE ALREADY LANDED ON 24V TERMINAL BLOCK FIRE SMOKE ALARM CIRCUIT E eae a us FIELD INSTALLED MUST BE CONNECTED NC CONTACTS OPEN DN ALARM 4 REMOVE JUMPER fus EIREASMIRE I UP POWER OPTIONAL 4 MO JADE 48 VOC pu 48 VOC UST BE CONNECTED AS SHOWN ECDNOMIZER 1 MC 1 CONNECTION lt LX CONTROLLER WILL NIT IERIE DV POWER BLACK O ELLOW 2 SEND m YELLOW 7 C o PURPLE Qk 4 lt D INT ORANGE 2 3 7 PINGS EO umemn T F _______ R R REO gt WY Nay WN WHITE EMEN Ej BROWN WHITE Ds BLUE pe Ne iy DH 2 m E ar dg ECUN 1 mp CF i 6 jd LOCKOUT 1 bec ALARM LOCKDU JADE ECUNOMIZER 2 BLACK xD YELLOW Git PURPLE ED 2 ORANGE 49 PIK d ey fein WU C n DEDE CL DIE AU YELLOW RED 27 7 F7
41. arity sensitive The copper lead must connect to terminal CU and the silver lead to AG Sensors are solid state not RTD Use only sensors supplied by Bard Sensor leads can be extended up to 200 feet Use 18 gauge twisted pair with soldered connections TEMPERATURE SENSOR LOGIC The standard local LSEn sensor monitors the temperature at the controller location If this is the only sensor connected it will control the temperature read out the space building temperature and also be used for Low and High Temperature alarm functions If one or more REMOTE sensors are installed and connected Rem 1 or Rem 2 the temperature read out will display and the building will be controlled to an average of all connected sensors If there is more than 10 difference from the highest to the lowest connected sensor the actual control will be governed by the hottest sensor for cooling and the coldest sensor for heating If multiple temperature sensors are used the High and Low temperature alarms will be governed by the average of the connected sensors 2100 563C 5 of 40 Manual Page BASIC MC4000 CONTROLLER INPUT OUTPUT SPECIFICATIONS MC4000 CONTROLLER CONNECTIONS Located on Main Controller Board Unit 1 C 24VAC common 24VAC hot G fan Form A NO Y1 1 stage cool Form A NO Y2 2 stage cool Form A NO W heat Form A NO Unit 2 C 24VAC common 24VAC hot G fan Form A NO Y1
42. arms in the group has been triggered The individual alarm problem will be displayed on the LED display on face of the controller Manual 2100 563C Page 6 of 40 LOW VOLTAGE FIELD WIRING The 4000 is powered from the air conditioners that it is controlling 24 VAC 18 32V low voltage only Circuitry in the MC4000 isolates the power supplies of the two air conditioners so that no back feeds or phasing problems can occur Additionally if one air conditioner loses power the MC4000 and the other air conditioner are unaffected and will continue to operate normally Connect the low voltage field wiring from each unit per the low voltage field wiring diagrams in Section on Controller Wiring NOTE Maximum of 18 gauge control wiring should be used Using heavier gauge wiring can create excessive stress on the control board as door is opened and closed Create a wiring loop so the door can open and close without stressing terminal blocks CONTROLLER GROUNDING A reliable earth ground must be connected in addition to any grounding from conduit Grounding lugs are supplied for this purpose CONTROLLER POWER UP Whenever power is first applied to the controller there is a twenty 20 second time delay prior to any function other than display becoming active This time delay is in effect if the controller On Off button is used when 24V AC from air conditioners is present and also if controller is in ON position and 24VAC fro
43. between any 2 connected sensors Stage Stage Lead Unit 2 O 2nd Stage Solid State Dual Unit Lead Lag Controller 2nd Stage Unit Unit 3rd T Stage Stage Cooling 3rd 4th Stage MC4000 Ath Operating Instructions 1 To swap lead and lag units press ADVANCE 2 To enter the P rogram mode press the Program button and release it when ro9 appears Use DOWN UP arrows to scroll through menu 3 A Flashing display means that the function or choice is Set and the display will alternate between the step function and setting 4 To change the setting of any step press the Change button and the display will stop flashing allowing change to the setting by using the Down or Up arrows When desired setting is reached press the Save button and proceed as desired 5 When done programming press the Program button until display stops flashing and room temperature is shown If no buttons are pushed within 30 seconds the controller will automatically revert back to Run mode Comfort Mode 9 Press Comfort button once to reset to 72F 22C Stage Heating Cooling and 68F 20C Heating for 1 hour Display will flash during override period P ress 2nd time to cancel during override if desired or controller will automatically revert to selected SP after 1 hour Program Menu NOT
44. blower control to the R terminal on the blower control The electronic blower control will now function as an on off relay with no off delay and the blower motor will stop running immediately when the F1 F2 fire suppression circuit is activated opened STAGING DELAY PERIODS The following delays are built in for both cooling amp heating Stage 1 0 seconds for blower if not already on as continuous 10 seconds for cooling or heating output Stage 2 10 seconds after Stage 1 for blower 10 additional seconds for cooling or heating output Stage 3 10 seconds after Stage 2 Stage 4 10 seconds after Stage 3 Note For cooling Stages 1 and 2 the stage LED will blink for 10 seconds while the cooling output 15 delayed after that stage is called for There is also a delay after the stage is satisfied and after the LED stops blinking the stage will turn off There is a minimum 10 second delay between stages 2 amp 3 and 3 amp 4 but no delayed output when stage is turned on or off and LED for those stages will not blink BLOWER OPERATION The controller can be configured to have main HVAC blowers cycle on and off on demand have all blowers run continuously or have the lead unit blower run continuously with the lag unit blower cycling on demand Default setting is the blower s start and stop on demand There is also an option to have all blowers cycle on if one remote sensor is connected and a temperature differ
45. d dr LO q 1 Di eU eec ONDE FIRE SMOKE ALARM CIRCUIT icc ell LX NC CONTACTS OPEN ON ALARM at REMOVE JUMPER A FIRE SMOKE Pod 2 NOTE 0 BACK UP POWER NT 2odg WEE TS POLARITY SENSITIVE AND Fog PAA 48 VOC MUST BE CONNECTED AS SHOWN i 4 OR CONTROLLER WILL NOT OPERATE ON OC POWER ONLY RN ca eet ee ace E p 4 pod OPTIONAL ALARM BOARD AERES S CONNECTIONS FOR 1 UNIT 1 poan REFRIGERANT LOCKOUT 24 V TERMINALS 2 anal l 6 9 G 1 j LOCKOUT 1 JG p ocupa sere CPP ae Ses pee O MC 2 UNIT 2 24 V TERMINALS 3 O LOCKOUT 2 3 Who 49 6 1 E E STANDARD LOCAL _ 7 7 7 COPPER le SENSOR 12 LEADS __stver t St COPPER CD lt REM 1 NOTE ALL SENSORS ARE OPTIONAL FIELD INSTALLED a SILVER T POLARITY SENSITIVE COPPER 25 FOOT TEMPERATURE 2 LEID MET CORRECT T SENSURS BARD PART Be ee COPPER Q CU AND SILVER LEAD TO AG NUMBER 8612 023 a lt REM 2 d GENERATOR RUN ALARM nic uit qi Gi NC CONTACTS ON ALARM o GEN OPTIONAL FIELD INSTALLED DENS 40 HUMIDITY CONTROLLER ge HUMIDITY 0 CONTACTS CLOSE
46. dry contact alarm relays are used offering both NO and NC switching to meet the user s specific alarm protocol providing complete flexibility to meet any user s requirements All alarm actuations are individually indicated on the controller front panel There is an Ethernet based remote communication option that can be either factory or field installed See section on Communication Module CONTROLLER CERTIFICATIONS The 4000 main controller board optional alarm boards optional communication module and remote sensors have undergone extensive testing for immunity and emissions This system is FCC compliant in accordance with CE requirements and meets the following standards This device complies with FCC Rule Part 15 Subpart B Class A Operation is subject to the following two conditions 1 This device may not cause harmful interference 2 This device must accept any interference received including that which may cause MC4000 Series Master Controller undesired operation This device complies with CE Standards EN55011 50081 and EN55024 for ISM Equipment Class A This ISM device also complies with Canadian ICES 001 Bard Manufacturing Company Inc Bryan OH 43506 SPECIFICATIONS FEATURES FOR BASIC CONTROLLER MC4000 Basic Controller Input power 18 32 VAC 60 50Hz power is supplied from A C 1 and or A C 2 Isolation circuitry no line or low voltage phasing required Backup power connection for
47. e from the computer and plug into your router 4 Change your computer system s IP address back to their previous settings from Note 1 5 Type the new IP address into the browser and make any changes to the MC4000 system before logging out IF YOUR NETWORK USES DHCP 1 Check the Enable DHCP box 2 Click Save Config box it will take several seconds before you receive a message that you are now offline At this point the unit is now running in DHCP mode 3 Change your computer system s IP address back to their previous settings from Note 1 4 Type CB4000 in the browser s URL address bar to access the CB4000 NOTE 2 If you need to get back to the CB4000 default IP setting simply hold the reset button next to the phone jack for 5 seconds then release USER PAGE l The designated Admin person can assign up to 9 additional users and set up as Admin Write or Read authority User Name and password must be assigned each must be at least 3 characters long and are case sensitive Only Admin can add change or delete users and has access to all controller pages Write can make changes to the controller settings and operating characteristics and has access to only Log In System Status Setpoints and Log Out pages Read can only view Status and Setpoints pages and cannot make any changes SYSTEM STATUS PAGE l RESET BUTTON TO RETURN TO DEFAULT CONTROLLER SETTINGS Y
48. eference If the differential is greater than 12F then the controller will check to determine the on board sensor is reading a temperature that is between the SP set point plus 12F and the SP minus the DB dead band minus 12F If it is the on board sensor will become the valid sensor reading and the controller will ignore the local sensor reading If it is not then the controller will still use the local sensor reading This is to add additional level of operational capability in the rare event the local sensor fails If the controller is operating in this mode it is indicated by the lower left decimal point flashing in the display Note for purposes of testing when the local sensor is manually driven higher or lower by applying warm or cool water to the probe the on board sensor is inhibited for the first 30 minutes following power up or when power is cycled off and back on The controller is designed to accept or 2 additional sensors and those have 25 foot leads The Bard part number for the optional sensor with 25 foot leads is 8612 023 These can be installed as required in the structure to address hot spots barriers to airflow etc It is recommended that the sensor lead wires be installed in conduit for protective purposes If alarm boards are utilized the highest reading of any connected sensor will be used for high temperature alarm and the lowest reading sensor will be used for low temperature alarm NOTE All sensors are pol
49. ence of more than 5F between any two sensors is observed This helps to redistribute the heat load within the structure and should reduce compressor operating time When any of the stages are satisfied the stage LED will blink for ten 10 seconds before the stage is actually turned off ADVANCE SWAP LEAD LAG UNIT FEATURE Pressing the Advance button for one 1 second will cause the lead and lag units to change positions This may be useful during service and maintenance procedures ACCELERATE TIMER FEATURE Pressing the UP arrow button for five 5 seconds will activate an accelerate speed up mode causing the normal changeover time increments of days to be reduced to seconds Example 7 days becomes 7 seconds When ACC displays release button Whichever LED is on indicating lead unit will blink over for each second until the controller switches This 15 a check for the timer functionality Manual 2100 563 Page 7 of 40 GENERAL PROGRAMMING OVERVIEW MC4000 CONTROLLER BUTTONS AND FUNCTION On Off Button 1 Press and release the On Off button to turn On controller 4 character display will illuminate and Lead unit LED will light 2 Press and release the On Off button to turn Off controller Controller will go dark and A C units will stop Comfort Button 1 Press and release the Comfort button to change the Cooling Set Point to 72F and the Heating Set Point to 68F for a period of 1 hour 2 Set Points will return to the
50. erant alarm HVAC 2 Form C SPDT Power loss HVAC 1 Form C SPDT Power loss HVAC 2 Power Loss 1 Power Loss 2 Low Temp Form C SPDT Low temperature alarm High Temp 1 Form C SPDT High temperature alarm 1 4000 w Enhanced Version Alarm Board Additional Outputs plus MC4000 A Inputs Outputs NOTE If this alarm board was not originally factory installed it can be field installed at anytime Bard part number is AB3000 B High Temp 2 Form C SPDT High temperature alarm 2 Controller Form C SPDT Controller failure alarm Econ 1 E F Form A NO See note b E F Form A NO See note b Form C SPDT 2 stage cooling alarm b Make these connections to terminals E amp F in HVAC 1 and 2 respectively if desired to have economizers open for emergency ventilation at High Temp Alarm 2 setpoint condition Econ 2 2 Stage c c For units with 2 stage compressors 2nd stage cooling alarm activates on cooling Stage 3 initiation Alarm relays can be wired for NO close on alarm or NC open on alarm strategy Alarm relays can be used individually if there are enough available building alarm points or can be arranged into smaller groups or even a single group so that all alarm capabilities can be utilized When multiple alarms are grouped together and issued as a single alarm there will be no off site indication of which specific problem may have occurred only that one of the al
51. essor Stage 2 4 cooling set point is 2F default setting user selectable 2 3F warmer than Stage 3 On a call for 4th Stage cooling the lag unit economizer will close and the compressor will operate on full capacity compressor Stage 2 6 2 Stage Compressor Units with Newer ECONWMT Economizers See Note A 1 stage cooling set point is the setting SP input into the controller Factory default is 77F 25C On a call for cooling the blower of the lead unit will come on immediately if not already on See Blower Operation and the Stage 1 LED will blink for 10 seconds before going solid at which time the lead unit 1 cooling output turns on If the outdoor temperature and humidity conditions are below the set point of the economizer control the lead unit economizer will operate instead of the compressor If outdoor conditions are not acceptable for free cooling the compressor will automatically operate on compressor Stage 1 partial capacity instead of the economizer 2 cooling set point is 4F default setting user selectable 2 6F warmer than Stage 1 On a call for 2 Stage cooling the blower of the lag unit is turned on if not already on See Blower Operation and the Stage 2 LED will blink for 10 seconds before going solid at which time the lag unit Y1 cooling output turns on If the outdoor temperature and humidity conditions are below the set point of the economizer control the lag unit economizer will operate
52. f 40 2100 563C FIRE SMOKE ALARM CIRCUIT ee D Qu t CONTACTS OPEN ON ALARM REMOVE ws he F IRE SMIKE M NOTE DC BACK UP POWER PMG H eee ee O TS POLARITY SENSITIVE AND 48 VOC MUST BE CONNECTED AS SHOWN O OR CONTROLLER WILL NOT 5 49 OPERATE ON OC POWER ONLY 1 SE mo UNIT 1 24 TERMINALS tee G 23 MC 2 Caan cialis TO UNIT 2 24 V TERMINALS EE EE LA STANDARD LOCAL Lc COPPER CD n SENSOR 12 LEADS 1 COPPER CD lt REM 1 NOTE ALL SENSORS ARE Co SILVER POLARITY SENSITIVE COPPER LEAD MUST CONNECT TO T E COPPER 7 CD Bess CU AND SILVER LEAD TO AG LEE SILVER Q0 GENERATUR RUN ALARM Dr iUm 0 NC CONTACTS OPEN UN ALARM REMOVE oe ke GEN OPTIONAL FIELD INSTALLED TEN 48 HUMIDITY CONTROLLER I HUMIDITY CONTACTS CLOSE RISE HA CONTROLLER REQUIRES ALARM RELAY IN EACH A C UNIT WHICH IS PART OF J CONTROL MODULE MIS 2421 CO AR e FIGURE 3 CONTROLLER CONNECTIONS 1 STAGE WA WL W A W L SERIES AIR CONDITIONERS NO ECONOMIZER WITH ALARM BOARD amp CB4000 COMMUNICATION BOARD xC 1 amp cCOA acr 000000998 bp c O CE M C M
53. for 2 Stage cooling the blower of the lag unit is turned on if not already on See Blower Operation and the Stage 2 LED will blink for 10 seconds before going solid at which time the lag unit Y1 cooling output turns on If the outdoor temperature and humidity conditions are below the set point of the economizer control the lag unit economizer will operate instead of the compressor If outdoor conditions are not acceptable for free cooling the compressor will automatically operate instead of the economizer 3 cooling set point is 2F default setting user selectable 2 3F warmer than Stage 2 On a call for 3 Stage cooling the lead unit economizer will close and the compressor will operate 4 cooling set point is 2F default setting user selectable 2 3F warmer than Stage 3 On a call for 4th Stage cooling the lag unit economizer will close and the compressor will operate 4 1 Stage Compressor Units with Newer Economizers See Note 1 stage cooling set point is the setting SP input into the controller Factory default is 77F 25C On a call for cooling the blower of the lead unit will come on immediately if not already on See Blower Operation and the Stage 1 LED will blink for 10 seconds before going solid at which time the lead unit Y1 cooling output turns on If the outdoor temperature and humidity conditions are below the set point of the economizer control the lead unit economizer wi
54. ge WA S WL S Series w ECONWMT Econo 26 Controller Connections 1 Stage WA WL W A W L Series A C w ECONWMT Econo amp w Alarm Board CB4000 Comm Board 27 Controller Connections 2 Stage WA S WL S Series A C wECONWMT Econo amp w Alarm Board CB4000 Comm Board 28 Controller Connections Heat Pumps Economizers 29 Controller Connections Heat Pumps No Economizers w Opt Alarm Board amp 4000 Communication Board 30 Alarm LED Display Board 31 Alarm Board Connections for Normally Closed NC Open On Alarm Strategy 32 Alarm Board Connections for Normally Open NO Close On Alarm Strategy 33 4000 35 Parts List Description Diagram 36 Hook Up Diagram Selection 17 Parts 37 Getting Other Information and Publications These publications can help you install the air conditioner or heat pump You can usually find these at your local library or purchase them directly from the publisher Be sure to consult current edition of each standard Standard for the Installation ANSI NFPA 90A of Air Conditioning and Ventilating Systems Standard for Warm Air Heating ANSI NFPA 90B and Air Conditioning Systems FOR MORE INFORMATION CONTACT THESE PUBLISHERS
55. he lag air conditioner is now operating REFRIGERANT PRESSURE ALARMS Air conditioners with 7 control module are equipped with an alarm relay that 1s activated upon high or low refrigerant pressure lockout conditions Connecting terminals 2 and 3 from the air conditioner 24V terminal block to the matching terminals 2 and 3 on the alarm board will allow these alarms to function EMERGENCY VENTILATION SEQUENCE For units with economizers there are two 2 emergency ventilation sequences designed into the controller Both require the B alarm board and connection of terminals E and F from the air conditioner 24V terminal block to the matching terminals on the alarm board Note The E and F wiring connections at the 24V terminal block in the A C units are different for older style EIFM economizers than for newer style ECONWMT economizers Refer to the appropriate Controller Connection diagrams See Table 1 Sequence one requires a refrigerant pressure alarm coupled with high temperature alarm condition No 1 HAL 1 set point If both of these conditions occur the economizer in the air conditioner that issued the refrigerant alarm will drive open to ventilate the building Sequence two HAL 2 set point is activated by high temperature alarm No 2 and will initiate even without a refrigerant pressure alarm signal Both economizers will be activated to provide emergency ventilation This strategy help protect against building over
56. heating 1f air conditioner s are inoperative for non pressure related reasons bad compressor contactor run capacitor etc NOTE The LED display board is polarized and will only fit in one direction as shown It must be fully inserted in order for the controller to function properly Manual 2100 563 Page 31 of 40 FIGURE 15 ALARM BOARD CONNECTIONS FOR NORMALLY CLOSED NC OPEN ON ALARM STRATEGY MC 2 MC 1 ME 2 2N 2A 241 REQUIRES J CONTROL MODULE FOR UNITS WITH ECONONIZERS OOJOO o0 0 9 IN VC UNITS MAKE THIS CONNECTION MAKE THIS CONNECTION FOR FOR HIGH amp LOW PRESSURE EMERGENCY VENTILATION STRATEGY rr REFRIGERANT ALARM NITE 0O COIDO OOO OO OO Al CON 1 N 2 LOKOUT 1 LOCKOUT 2 L 1 LOCKOUT 2 um SEE SECTION ON 20 STAGE COOLING ALARM SMOKE IRE POWER LOSS 1 POER LOSS 2 LOW TENP HIGH 1 HIGH TEMP 2 CONTROLLER DOO 000 000 DOO DOO 000 OOH NIE USE SHADED TERMINALS FOR DESIGNATED ALARMS AS DESIRED SOME RELAYS ARE REVERSE ACTIVATED TO ACHIEVE NC OPEN CIN ALARM SEQUENCE EACH CAN BE USED INDIVIDUALLY IF THERE ARE ENOUGH BUILDING ALARM POINTS AVAILABLE UR CAN BE ARRANGED INTO SMALLER GROUPS DR EVEN A SINGLE GROUP SO THAT ALL ALARM CAPABILITIES CAN BE UTILIZED FOR NC STRATEGY MULTIPLE ALARMS IN A GROUP ARE WIRED IN SERIES POWER L
57. ial capacity instead of the economizer 4 cooling set point is 2 default setting user selectable 2 3F warmer than Stage 3 On a call for 4 Stage cooling the lag unit Y2 cooling output turns on at which time the lag unit compressor will operate on compressor Stage 2 full capacity If the compressor is already operating on Stage 1 partial capacity because outside free cooling range the compressor will switch to compressor Stage 2 full capacity 5 2 Stage Compressor Units with Newer Economizers See Note 1 stage cooling set point is the setting SP input into the controller Factory default is 77F 25C On a call for cooling the blower of the lead unit will come on immediately 1f not already on See Blower Operation and the Stage 1 LED will blink for 10 seconds before going solid at which time the lead unit Y1 cooling output turns on If the outdoor temperature and humidity conditions are below the set point of the economizer control the lead unit economizer will operate instead of the compressor If outdoor conditions are not acceptable for free cooling the compressor will automatically operate on compressor Stage 1 partial capacity instead of the economizer 2 cooling set point is 4F default setting user selectable 2 6F warmer than Stage 1 On a call for 2 4 stage cooling the lead unit Y2 cooling output turns on If the outdoor temperature and humidity conditions are below the set point of
58. instead of the compressor If outdoor conditions are not acceptable for free cooling the compressor will automatically operate on compressor Stage 1 partial capacity instead of the economizer 3 cooling set point is 2F default setting user selectable 2 3F warmer than Stage 2 On a call for 3 Stage cooling the lead unit economizer will continue to operate as long as outdoor conditions are acceptable and the compressor will operate on compressor Stage 1 partial capacity If outdoor conditions are not acceptable for free cooling the lead unit compressor will automatically be operating on compressor Stage 1 partial capacity and will go to Stage 2 full capacity operation 4 cooling set point is 2F default setting user selectable 2 3F warmer than Stage 3 On a call for 4 Stage cooling the lag unit economizer will continue to operate as long as outdoor conditions are acceptable and the compressor will operate on compressor Stage 1 partial capacity If outdoor conditions are not acceptable for free cooling the lag unit compressor will automatically be operating on compressor Stage 1 partial capacity and will go to Stage 2 full capacity operation COOLING OPERATING SEQUENCES FOR NON ALTERNATING LEAD LEAD LAG LAG CONFIGURATION Note Heat pumps cannot be operated in Non Alternating Lead Lead Lag Lag sequence Selecting Heat Pump Yes will override a Non Alternating selection and force system to Alternating Lead Lag Lead Lag sequence
59. ll operate instead of the compressor If outdoor conditions are not acceptable for free cooling the compressor will automatically operate instead of the economizer Manual 2100 563C Page 10 of 40 2 cooling set point is default setting user selectable 2 6F warmer than Stage 1 On a call for 2 Stage cooling the blower of the lag unit is turned on if not already on See Blower Operation and the Stage 2 LED will blink for 10 seconds before going solid at which time the lag unit Y1 cooling output turns on If the outdoor temperature and humidity conditions are below the set point of the economizer control the lag unit economizer will operate instead of the compressor If outdoor conditions are not acceptable for free cooling the compressor will automatically operate instead of the economizer 3 cooling set point is 2F default setting user selectable 2 3F warmer than Stage 2 On a call for 3 Stage cooling the lead unit economizer will continue to operate as long as outdoor conditions are acceptable and the compressor will operate 4 cooling set point is 2 default setting user selectable 2 3F warmer than Stage 3 On a call for 4th Stage cooling the lag unit economizer will continue to operate as long as outdoor conditions are acceptable and the compressor will operate 5 2 Stage Compressor Units with Older EIFM Economizers 1 stage cooling set point is the setting SP input into the controller Fact
60. m air conditioners is removed and then restored FIRE SUPPRESSION CIRCUIT To disable the 4000 and shut down both air conditioners terminals F1 and F2 may be used The F1 and F2 terminals must be jumpered together for normal operation A normally closed nc set of dry contacts may be connected across the terminals and the factory jumper removed for use with a field installed fire suppression system The contacts must open if a fire is detected See appropriate connection diagram Figures 1 2 or 3 for this connection Contacts should be rated for pilot duty operation at 2 amp 24VAC minimum Shielded wire 22 gauge minimum must be used and the shield must be grounded to the controller enclosure IMPORTANT NOTE Older Bard R 22 models employ an electronic blower control that has a 60 second blower off delay Current production R 410A models do not use a blower off delay device and the remainder of this paragraph does not apply In order to have immediate shutdown of the blower motor in addition to disabling the run function of the air conditioners will require a simple wiring modification at the blower control located in the electrical control panel of the air conditioners being controlled by the lead lag controller To eliminate the 60 second blower off delay disconnect and isolate the wire that is factory connected to the R terminal on the electronic blower control and then connect a jumper from the G terminal on the
61. mediately Memory EEPROM for set point and changeable parameters maintains settings on power loss Space temperature sensors 1 local is standard will accept up to 2 optional 25 remote sensors Bard part number 8612 023 When multiple sensors are used temperatures are averaged Controller Enclosure 20 gauge pre painted steel 9 25 W x 13 50 H x 3 00 D hinged cover thirteen 13 875 diameter electrical knockouts LEDs for basic controller Lead unit Cooling stages 1 through 4 Heating Stages 1 4 Dehumidification operation Six 6 Push button controls On Off switch Change lead unit Increase amp Decrease set points Program Save Comfort MOUNTING THE CONTROLLER Included in the controller carton is the controller and installation instructions The controller should be installed on a vertical wall approximately four 4 feet above the floor away from drafts amp outside doors or windows Four 4 mounting holes are provided for mounting to the wall and 7 8 holes for conduit connections are provided in both the base sides amp top ofthe controller TEMPERATURE SENSORS The standard local temperature sensor has 12 leads and comes installed from the factory A secondary sensor is located internally on the main controller board and serves as a reference and back up sensor to the local sensor Any differential of 12F between the on board and local sensor will cause the controller to use the local sensor as its point of r
62. ms 31 Emergency Ventilation Sequence 31 Programming Instructions 34 Manual 2100 563C Page 2 of 40 Figures Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Figure 16 Figure 17 Tables Table 1 Table Controller Connections 1 Stage WA WL W A W L Series A C w No Economizers 17 Controller Connections 2 Stage WA S WL S Series A C Economizers 18 Controller Connections 1 Stage WA WL W A W L Series A C No Econo with Alarm Board amp CB4000 Comm Board 19 Controller Connections 2 Stage WA S WL S Series A C No Econo with Alarm Board amp CB4000 Comm Board 20 Controller Connections 1 Stage WA WL W A W L Series A C Older EIFM Econo 21 Controller Connections 2 Stage WA S WL S Series A C Older Style EIFM Econo 22 Controller Connections 1 Stage WA WL W A W L Series A C w Older Style EIFM Econo amp w Alarm Board CB4000 Comm Board 23 Controller Connections 2 Stage WA S WL S Series A C w Older Style EIFM Econo amp w Alarm Board CB4000 Comm Board 24 Controller Connections 1 Stage WA WL W A W L Series w ECONWMT Econo 25 Controller Connections 2 Sta
63. ners with or without economizers It can also be configured for two 2 heat pumps without economizers Units with economizers will connect differently than units without economizers therefore it is important to use the correct connection diagram There are older style EIFM economizers and newer style ECONWMT economizers that the MC4000 controller system can work with and also an option for a remote Ethernet communication board Therefore it is important to select the correct low voltage hook up diagram See Table 1 Hook Up Diagram Selection on Page 17 SECURITY LOCKING FEATURE The MC4000 controller can be locked such that unauthorized persons cannot make any changes to temperature set points or any other selectable parameters of the controller system The ON OFF and Comfort buttons remain fully active for their normal intent The Advance Change Save button remains active for the Advance feature only which allows the position of the lead and lag air conditioners to be swapped reversed The Program button remains partially active allowing the review of temperature sensor s actual reading of temperature and the current settings choices that have been chosen However no changes can be made when the controller is locked and if the change button is pressed when in the Program mode the display will come up showing Locd instead of flashing the selectable choices for that parameter The default DEF reset capability is also
64. onomizer 4 cooling set point is 2 default setting user selectable 2 3F warmer than Stage 3 On a call for 4th Stage cooling the lag unit economizer will close and the compressor will operate If the compressor is already running from 3 stage cooling call due to outdoor conditions being outside of free cooling range no action occurs at 2 stage set point 3 1 Stage Compressor Units with Newer ECONWMT Economizers See Note A 15 stage cooling set point is the setting SP input into the controller Factory default is 77F 25C On a call for cooling the blower of the lead unit will come on immediately 1f not already on See Blower Operation and the Stage 1 LED will blink for 10 seconds before going solid at which time the lead unit Y1 cooling output turns on If the outdoor temperature and humidity conditions are below the set point of the economizer control the lead unit economizer will operate instead of the compressor If outdoor conditions are not acceptable for free cooling the compressor will automatically operate instead of the economizer 2 cooling set point is 4F default setting user selectable 2 6F warmer than Stage 1 On a call for 2 stage cooling the lead unit Y2 cooling output turns on If the outdoor temperature and humidity conditions are below the set point of the economizer control the lead unit economizer will continue to operate and the compressor will operate If the compressor is already ope
65. ory default is 77F 25C On a call for cooling the blower of the lead unit will come on immediately if not already on See Blower Operation and the Stage 1 LED will blink for 10 seconds before going solid at which time the lead unit Y1 cooling output turns on If the outdoor temperature and humidity conditions are below the set point of the economizer control the lead unit economizer will operate instead of the compressor If outdoor conditions are not acceptable for free cooling the compressor will automatically operate on compressor Stage partial capacity instead of the economizer 2 cooling set point is 4F default setting user selectable 2 6F warmer than Stage 1 On a call for 274 Stage cooling the blower of the lag unit is turned on if not already on See Blower Operation and the Stage 2 LED will blink for 10 seconds before going solid at which time the lag unit Y1 cooling output turns on If the outdoor temperature and humidity conditions are below the set point of the economizer control the lag unit economizer will operate instead of the compressor If outdoor conditions are not acceptable for free cooling the compressor will automatically operate on compressor Stage 1 partial capacity instead of the economizer 3 cooling set point is 2F default setting user selectable 2 3F warmer than Stage 2 On a call for 34 Stage cooling the lead unit economizer will close and the compressor will operate on full capacity compr
66. ory or field installed See inside of controller for any alarm Power Loss Sys 1 AB3000 B Alarm Board Functions Power Loss Sys 2 Refrig Alarm Sys 1 Refrig Alarm Sys 2 Fire Smoke Alarm Low Temp Alarm High Temp Alarm 1 functions High Temp Alarm 2 Lead Lag Controller _ Failure Alarm L5En AB3000 A Alarm Board Functions 1st 1st emperature at local main Sensor r Temperature at Remote 1 sensor location emperature at Remote 2 sensor location 1 2 3 pte amp 5 Cooling setpoint temperature 65 to 90F or 18 3 to 32 2C Default is 77F 25C 2 to 40F or 1 1 to 22 2C Defau Deadband between cooling and heating setpoint tis 17F 9 4C cFAn Continuous blower operation None Lead Both Default is None 7 ES Degree display or C Defau It is F 8 ALT Alternating Lead Lag Lead Lag Sequence or Non Alternating Lead Lead Lag Lag Sequence Yes or No Defaultis Yes for Alternating 9 LLCO 1 to 30 days or 0 for disabled Lead Lag changeover time Days Default is 7 10 HP and overrides a Non Alt setting Yes or No Defaultis No Heat pump logic enabled only for 1 stage heat pumps and forces Lead Lag sequence 5d5 Yes or No Default is Yes Unit 1 and 2 blowers automatically both run if delta T gt 5F
67. rating on 1 stage cooling because outside free cooling range no action occurs at 274 cooling set point 3 cooling set point is 2F default setting user selectable 2 3F warmer than Stage 2 On a call for 3 Stage cooling the blower of the lag unit will come on immediately 1f not already on See Blower Operation and the Stage 3 LED will blink for 10 seconds before going solid at which time the lag unit Y1 cooling output turns on The lag unit economizer will operate if the outdoor temperature and humidity conditions are below the set point of the economizer control If outdoor conditions are not acceptable for free cooling the compressor will automatically operate instead of the economizer Manual 2100 563C Page 12 of 40 4 cooling set point is 2F default setting user selectable 2 3F warmer than Stage 3 On a call for 4 Stage cooling the lag unit Y2 cooling output turns on activating the lag unit compressor If the outdoor temperature and humidity conditions are below the set point of the economizer control the lag unit economizer will continue to operate If the compressor 15 already operating on 3 stage cooling because outside free cooling range no action occurs at 4 cooling set point 4 2 Stage Compressor Units with Older EIFM Economizers 1 stage cooling set point is the setting SP input into the controller Factory default is 77F 25C On a call for cooling the blower of the lead unit will come on immediatel
68. red Input Connections to the CB4000 these are all internal connections from either the alarm board or main controller board 1 Fire smoke connection from MC4000 main controller board 2 Refrigerant lockout inputs 3 Ifeconomizers are used an additional 24V signal wire is required from each air conditioner to the controller system 4 Communication cable from CB4000 plugs into phone jack connection on main MC4000 controller board OPERATING SYSTEM No special software is required to access the system The CB4000 has a default address simply follow these instructions TO ACCESS THE SYSTEM 1 Connect CAT 5 or CAT 6 Ethernet cable from computer to Ethernet port on the CB4000 2 Change your computer s IP address as shown below to gain initial access to the CB4000 NOTE 1 Record your computer s current IP settings BEFORE making any changes You will need to reset back to these original settings once you ve assigned an IP address to the CB4000 For XP or Windows 2000 1 Open Control Panel double click Network Connections 2 Double click Local Area Connection on the General tab and select Properties 3 Using the General tab scroll to Internet Protocol TCP IP 4 Highlight Internet Protocol TCP IP and select Properties 5 Change the addresses as follows IP address 192 168 1 50 Subnet mask 255 255 255 0 Default gateway 192 168 1 1 Preferred DNS server 192 168 1 10 Alternate DNS server 192 168 1
69. s above the set point of humidity controller a The green Dehumid Operation light will come on and the lag unit compressor and blower will operate until the set point of humidity controller 15 satisfied or cancelled by a call for cooling b If the space temperature drops to 67F the electric heater of the lead unit will cycle to help maintain building temperature It will cycle off at 69F c If space temperature drops to 64F the Stage 2 Heating light will come on and the lag unit compressor operating for dehumidification mode will cycle off until the building temperature rises above 65F from Ist stage heat and building load The green Dehumid Operation light stays on during this sequence and when Stage 2 Heating light is Off the compressor is On The electric heater in lag unit is locked out in dehumidification mode Lag unit outputs G Y1 and Y2 are all switched on during dehumidification sequence This is true for both alternating and non alternating controller configurations N CAUTION Humidity controller set point should be in 50 6096 relative humidity area Setting controller to lower settings will result in excessive operating time and operating costs for the electric reheat and in extreme cases could cause evaporator indoor coil freeze up if there are periods of light internal equipment heat loading COOLING OPERATING SEQUENCES FOR ALTERNATING LEAD LAG LEAD LAG CONFIGURATION l 1 Stage Compres
70. sor Units No Economizer 1 stage cooling set point is the setting SP input into the controller Factory default is 77F 25C On a call for cooling the blower of the lead unit will come on immediately if not already on See Blower Operation and the Stage 1 LED will blink for 10 seconds before going solid at which time the compressor will start 2 cooling set point is 4F default setting user selectable 2 6F warmer than Stage 1 On a call for 2 Stage cooling the blower of the lag unit is turned on if not already on See Blower Operation and the Stage 2 LED will blink for 10 seconds before going solid at which time the compressor will start 3 and 4 stages are functional outputs but there is nothing to be controlled 2 2 Stage Compressor Units No Economizer 1 stage cooling set point is the setting SP input into the controller Factory default is 77F 25C On a call for cooling the blower of the lead unit will come on immediately if not already on See Blower Operation and the Stage 1 LED will blink for 10 seconds before going solid at which time the lead unit compressor will start in compressor Stage 1 partial capacity operation 2 cooling set point is 4F default setting user selectable 2 6F warmer than Stage 1 On a call for 2 Stage cooling the blower of the lag unit 1s turned on if not already on See Blower Operation and the Stage 2 LED will blink for 10 seconds before going solid
71. splay board is shipped uninstalled to protect it from possible damage during installation of the wiring to main controller board and or the alarm board It is polarity sensitive and is keyed so it can only be installed in correct position NOTE The LED display board can be replaced if needed independently of the alarm board Bard part number is 8612 022 ALARM LED DISPLAY BOARD ODO0099000 Y ALLL MIS 2042 Al 2ND STAGE COOLING ALARM This alarm output is available for use if desired It is important to note that in some installations due to A C system sizing and internal heat load that the secondary lag air conditioning unit may be called upon to assist the lead air conditioner some of the time If this is the case or possibly when additional heat load is added using the 2nd stage cooling alarm will cause nuisance alarm conditions Note For units with 2 stage compressors the dual stage cooling alarm activates on cooling Stage 3 initiation Menu Step 23 CoPr must be set to 2 for this to occur otherwise alarm will activate on cooling call Stage 2 causing nuisance alarm For installations where it is known that there is 100 redundancy one air conditioning unit can handle 100 of the load 100 ofthe time use ofthe 2nd Stage Cooling Alarm is a method to issue an alarm signal that the lead air conditioner is down or not delivering full capacity and that t
72. tage 1 to Stage 2 2 3 4 5 or 6F ISd3 From Stage 2 to Stage 3 2 or 3F ISd4 From Stage 3 to Stage 4 2 or 3F On Off Differential Hysterisis CSon Turn On above SP for Stage 1 Cooling 1 or 2F CSoF Turn Off below SP for Stage 1 Cooling 1 2 3 or 4F Stage 2 3 and 4 Cooling automatically set same as Stage 1 decisions HSoo All Heating Stages are equal on amp off differential 1 1 or 2 2 CoPr Manual Page 1 or 2 stage compressor if set to 1 the 2nd stage Cooling Alarm activates on Cooling Call 2 if set to 2 the 2nd stage Cooling Alarm activates on Cooling Call 3 2100 563C 8 of 40 10r2 HUMIDITY CONTROL OPTION Note This function is not available if controller is configured for heat pump The standard air conditioning system can be adapted to perform dehumidification control by addition of a simple humidity controller that closes on rise and is connected to terminals H1 and H2 on the main controller board Recommended Bard Part 8403 038 600 1014 Both HVAC units must be equipped with electric heat for this sequence to work properly See appropriate connection diagram Figures 1 12 for this connection 1 Temperature control always has priority over dehumidification If there is any stage of cooling demand active the dehumidification sequence is locked out 2 If all stages of cooling are satisfied and relative humidity i
73. the economizer control the lead unit economizer will continue to operate and the compressor will operate on compressor Stage 1 partial capacity If the compressor is already operating on Stage 1 partial capacity because outside free cooling range the compressor will switch to compressor Stage 2 full capacity 3 cooling set point is 2F default setting user selectable 2 3F warmer than Stage 2 On a call for 3 Stage cooling the blower of the lag unit will come on immediately 1f not already on See Blower Operation and the Stage 3 LED will blink for 10 seconds before going solid at which time the lag unit Y1 cooling output turns on The lag unit economizer will operate if the outdoor temperature and humidity conditions are below the set point of the economizer control If outdoor conditions are not acceptable for free cooling the compressor will automatically operate on compressor Stage 1 partial capacity instead of the economizer 4 cooling set point is 2F default setting user selectable 2 3F warmer than Stage 3 On a call for 4 Stage cooling the lag unit Y2 cooling output turns on activating the compressor If the outdoor temperature and humidity conditions are below the set point of the economizer control the lag unit economizer will continue to operate and the compressor will operate on compressor Stage 2 full capacity If the compressor 15 already operating on Stage 1 partial capacity because outside free cooling range the
74. y if not already on See Blower Operation and the Stage 1 LED will blink for 10 seconds before going solid at which time the lead unit Y1 cooling output turns on If the outdoor temperature and humidity conditions are below the set point of the economizer control the lead unit economizer will operate instead of the compressor If outdoor conditions are not acceptable for free cooling the compressor will automatically operate on compressor Stage 1 partial capacity instead of the economizer 2 cooling set point is 4F default setting user selectable 2 6F warmer than Stage 1 On a call for 274 stage cooling the lead unit Y2 cooling output turns on at which time the lead unit compressor will operate on compressor Stage 2 full capacity If the compressor is already operating on Stage 1 partial capacity because outside free cooling range the compressor will switch to compressor Stage 2 full capacity 3 cooling set point is 2F default setting user selectable 2 3F warmer than Stage 2 On a call for 3 Stage cooling the blower of the lag unit will come on immediately 1f not already on See Blower Operation and the Stage 3 LED will blink for 10 seconds before going solid The lag unit economizer will operate if the outdoor temperature and humidity conditions are below the set point of the economizer control If outdoor conditions are not acceptable for free cooling the compressor will automatically operate on compressor Stage 1 part

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